Patents by Inventor Zong-Bin LIAO

Zong-Bin LIAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10606408
    Abstract: A touch-sensing method with unexpected-touch exclusion includes detecting sensing area to obtain touch point; checking total number of detected points forming the touch point with first and second numbers; determining a touch of the touch point as normal touch when the total number is less than or equal to the first number; determining the touch of the touch point as invalid touch when the total number is greater than or equal to the second number; checking if the touch point belongs to an edge region or not when the total number is greater than the first number and less than the second number; determining the touch of the touch point as the invalid touch when the touch point does not belong to the edge region; and determining the touch of the touch point as an unknown touch when the touch point belongs to the edge region.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: March 31, 2020
    Assignees: IMAGINATION BROADWAY LTD., SALT INTERNATIONAL CORP.
    Inventors: Shang-Li Lee, Zong-Bin Liao, Ko-Hao Ting
  • Patent number: 10248259
    Abstract: An object identification method of touch system is disclosed. The object identification method includes: repeating an object measurement to obtain a plurality of object signals; conducting a liquid measurement to obtain a liquid signal; determining whether the value of the liquid signal is greater than a first default value or less than a second default value, wherein the first default value is larger than the second default value; proceeding with an elimination step if the value of the liquid signal is greater than the first default value; and, proceeding with a start step if the value of the liquid signal is less than the second default value.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: April 2, 2019
    Assignees: IMAGINATION BROADWAY LTD., SALT INTERNATIONAL CORP.
    Inventors: Shang-Li Lee, Zong-Bin Liao, Ko-Hao Ting
  • Patent number: 10228798
    Abstract: A detection method of touch system for avoiding inadvertent touch is disclosed. The steps of the detection method includes: obtaining a plurality of first detection signals; determining whether a difference of strength between the first detection signals is less than a default difference; calculating a first centroid on the first detection signals, which if the difference of strength between the first detection signals is less than the default difference; setting a first rejection area extrapolated from the first centroid; obtaining a plurality of second detection signals for determining whether to update the first rejection area; calculating a second centroid on the second detection signals; calculating a rate of the first centroid to the second centroid; and, proceeding an update for replacing the first rejection area with a second rejection area extrapolated from the second centroid, if the rate is greater than a default value.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: March 12, 2019
    Assignees: IMAGINATION BROADWAY LTD., SALT INTERNATIONAL CORP.
    Inventor: Zong-Bin Liao
  • Patent number: 10185451
    Abstract: A detecting method for a conductive matter on a capacitive sensor device includes obtaining a positive signal, computing a signal summation of a plurality of sensing points in at least an electrode line where the positive signal is occurred, comparing the signal summation to a predetermined value, determining a touch object inducing the positive signal is not an irregular conductive matter if the signal summation is larger than the predetermined value, and determining the touch object inducing the positive signal is the irregular conductive matter if the signal summation is not larger than the predetermined value.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: January 22, 2019
    Assignees: SALT INTERNATIONAL CORP., IMAGINATION BROADWAY LTD.
    Inventors: Zong-Bin Liao, Meng-Chien Liu
  • Patent number: 10146367
    Abstract: A synchronization method for a touch signal processing system is provided. The touch signal processing system includes a first and a second detecting unit. The method includes the following steps. First, the second detecting unit sends a sync start signal to the first detecting unit and then switches to an idle mode. After receiving the sync start signal, the first detecting unit sends a wake-up signal through a first hardware pin to the second detecting unit. The first detecting unit is then put on hold for a predetermined delay time. After receiving the wake-up signal through a second hardware pin, the second detecting unit switches to a working mode. The first detecting unit which has been put on hold for the predetermined delay time and the second detecting unit that is in the working mode respectively drive one or more analog-to-digital converters, so as to detect touch signals.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: December 4, 2018
    Assignees: IMAGINATION BROADWAY LTD., SALT INTERNATIONAL CORP.
    Inventor: Zong-Bin Liao
  • Publication number: 20180224971
    Abstract: A method for position detection is adapted to a sensing device. The sensing device includes a plurality of sensing blocks arranged in a 2D array, with each block having a plurality of sensing points arranged in a 2D array. The method includes conducting a block-scan to determine if a touched block exists, and conducting a point-scan to obtain a touched point if the touched block exists. In order to obtain a touched point, the sensing device applying the method conducts a block-scan within the sensing area and then a point-scan within the touched block instead of point-scanning the whole sensing area. Accordingly, the sensing device could obtain the touched point faster than before.
    Type: Application
    Filed: March 30, 2018
    Publication date: August 9, 2018
    Inventors: Shang-Li LEE, Zong-Bin LIAO
  • Patent number: 9965114
    Abstract: A method for position detection is adapted to a sensing device. The sensing device includes a plurality of sensing blocks arranged in a 2D array, with each block having a plurality of sensing points arranged in a 2D array. The method includes conducting a block-scan to determine if a touched block exists, and conducting a point-scan to obtain a touched point if the touched block exists. In order to obtain a touched point, the sensing device applying the method conducts a block-scan within the sensing area and then a point-scan within the touched block instead of point-scanning the whole sensing area. Accordingly, the sensing device could obtain the touched point faster than before.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: May 8, 2018
    Assignees: SALT INTERNATIONAL CORP., IMAGINATION BROADWAY LTD.
    Inventors: Shang-Li Lee, Zong-Bin Liao
  • Publication number: 20180039378
    Abstract: A touch-sensing method with unexpected-touch exclusion includes detecting sensing area to obtain touch point; checking total number of detected points forming the touch point with first and second numbers; determining a touch of the touch point as normal touch when the total number is less than or equal to the first number; determining the touch of the touch point as invalid touch when the total number is greater than or equal to the second number; checking if the touch point belongs to an edge region or not when the total number is greater than the first number and less than the second number; determining the touch of the touch point as the invalid touch when the touch point does not belong to the edge region; and determining the touch of the touch point as an unknown touch when the touch point belongs to the edge region.
    Type: Application
    Filed: August 2, 2017
    Publication date: February 8, 2018
    Inventors: SHANG-LI LEE, Zong-Bin Liao, Ko-Hao Ting
  • Patent number: 9791961
    Abstract: A touch sensitive detecting method, applicable to a touch panel or screen, comprises: setting a sensing electrode to floating; after the sensing electrode is set to floating, setting at least one non-measuring sensing electrode to a sensing high voltage; measuring the voltage of the sensing electrode; setting the sensing electrode to a ground voltage and stopping measurement; and determining whether an externally conducted object is approximating or touching the touch panel or screen nearby the sensing electrode by comparing a difference between a threshold voltage and the measured voltage of the sensing electrode.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: October 17, 2017
    Assignees: APEX MATERIAL TECHNOLOGY CORP., IMAGINATION BROADWAY LTD.
    Inventors: Shang-Li Lee, Zong-Bin Liao, Ke-Hao Ding
  • Publication number: 20170285867
    Abstract: An object identification method of touch system is disclosed. The object identification method includes: repeating an object measurement to obtain a plurality of object signals; conducting a liquid measurement to obtain a liquid signal; determining whether the value of the liquid signal is greater than a first default value or less than a second default value, wherein the first default value is larger than the second default value; proceeding with an elimination step if the value of the liquid signal is greater than the first default value; and, proceeding with a start step if the value of the liquid signal is less than the second default value.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Inventors: Shang-Li LEE, Zong-Bin LIAO, Ko-Hao Ting
  • Patent number: 9746960
    Abstract: The present invention provides a control module and a method operable in a touch-sensitive apparatus for measuring noise, wherein the touch-sensitive apparatus comprises a touch-sensitive module having a plurality of first electrodes and a plurality of second electrodes that intersect in multiple regions of the touch sensitive module, said method comprising the steps of: disconnecting the first electrodes from a driving voltage source; and acquiring a plurality of voltage values of noise by measuring a plurality of voltage signals associated with the second electrodes over a plurality of measurement cycles at a predetermined operating frequency during the first electrodes without a driving voltage.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: August 29, 2017
    Assignees: APEX MATERIAL TECHNOLOGY CORP., IMAGINATION BROADWAY LTD.
    Inventors: Ke-hao Ding, Zong-Bin Liao, Zhong-peng Qiu, Shang-Li Lee
  • Patent number: 9715309
    Abstract: A touch sensitive detecting method, applicable to a touch panel or screen, comprises: setting at least one dummy pad to a dummy high voltage; after setting the at least one dummy pad to the dummy high voltage, setting a sensing electrode nearby the at least one dummy pad to floating; after the sensing electrode is set to floating, setting the at least one dummy pad to a ground voltage and a driving electrode to a driving voltage; measuring the voltage of the sensing electrode; setting the sensing electrode to the ground voltage and stopping measurement; and determining whether an externally conducted object is approximating or touching the touch panel or screen nearby the sensing electrode by comparing a difference between a threshold voltage and the measured voltage of the sensing electrode.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: July 25, 2017
    Assignees: APEX MATERIAL TECHNOLOGY CORP., IMAGINATION BROADWAY LTD.
    Inventors: Shang-Li Lee, Zong-Bin Liao, Ke-Hao Ding
  • Publication number: 20170185227
    Abstract: A detection method of touch system for avoiding inadvertent touch is disclosed. The steps of the detection method includes: obtaining a plurality of first detection signals; determining whether a difference of strength between the first detection signals is less than a default difference; calculating a first centroid on the first detection signals, which if the difference of strength between the first detection signals is less than the default difference; setting a first rejection area extrapolated from the first centroid; obtaining a plurality of second detection signals for determining whether to update the first rejection area; calculating a second centroid on the second detection signals; calculating a rate of the first centroid to the second centroid; and, proceeding an update for replacing the first rejection area with a second rejection area extrapolated from the second centroid, if the rate is greater than a default value.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 29, 2017
    Inventor: Zong-Bin LIAO
  • Publication number: 20170185216
    Abstract: A synchronization method for a touch signal processing system is provided. The touch signal processing system includes a first and a second detecting unit. The method includes the following steps. First, the second detecting unit sends a sync start signal to the first detecting unit and then switches to an idle mode. After receiving the sync start signal, the first detecting unit sends a wake-up signal through a first hardware pin to the second detecting unit. The first detecting unit is then put on hold for a predetermined delay time. After receiving the wake-up signal through a second hardware pin, the second detecting unit switches to a working mode. The first detecting unit which has been put on hold for the predetermined delay time and the second detecting unit that is in the working mode respectively drive one or more analog-to-digital converters, so as to detect touch signals.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 29, 2017
    Inventor: Zong-Bin LIAO
  • Publication number: 20170177117
    Abstract: A detecting method for a conductive matter on a capacitive sensor device includes obtaining a positive signal, computing a signal summation of a plurality of sensing points in at least an electrode line where the positive signal is occurred, comparing the signal summation to a predetermined value, determining a touch object inducing the positive signal is not an irregular conductive matter if the signal summation is larger than the predetermined value, and determining the touch object inducing the positive signal is the irregular conductive matter if the signal summation is not larger than the predetermined value.
    Type: Application
    Filed: December 14, 2016
    Publication date: June 22, 2017
    Inventors: ZONG-BIN LIAO, MENG-CHIEN LIU
  • Patent number: 9594420
    Abstract: The controlling method for a touch panel is disclosed. The controlling methods includes: executing a waking-up procedure to output a waking-up signal; comparing a measured value of the waking-up signal with a pre-determined threshold value; the touch panel staying in a power-saving mode if the measured value of the waking-up signal is smaller than the positive pre-determined threshold value or larger than the negative pre-determined threshold value; and the touch panel starting a detection procedure if the measured value of the waking-up signal is larger than the positive pre-determined threshold value or smaller than the negative default threshold.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: March 14, 2017
    Assignees: APEX MATERIAL TECHNOLOGY CORP., IMAGINATION BROADWAY LTD.
    Inventors: Shang-Li Lee, Zong-Bin Liao, Ke-hao Ding
  • Patent number: 9535551
    Abstract: The present invention provides a mutual capacitance touch sensitive sensing method, including: sequentially charging multiple driving electrode sets and detecting the electrical change of multiple sensing electrodes; sequentially charging multiple driving electrodes in a driving electrode set and detecting the electrical change of the sensing electrodes when the electrical change of at least one of the sensing electrodes is detected while driving the driving electrode set; and determining the touch location according to the detected electrical change.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: January 3, 2017
    Assignees: APEX MATERIAL TECHNOLOGY CORP., IMAGINATION BROADWAY LTD.
    Inventors: Shang-Li Lee, Zong-Bin Liao
  • Patent number: 9438216
    Abstract: The present invention provides a method for computing compensation time for clock difference between a first chip and a second chip. The method comprises emitting, by the second chip, a pulse with a fixed pulse length to the first chip; measuring, by the first chip, a pulse length of the pulse; computing the compensation time according to the measure pulse length and the fixed pulse length; and setting the compensation time to the second chip.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: September 6, 2016
    Assignees: APEX MATERIAL TECHNOLOGY CORP., IMAGINATION BROADWAY LTD.
    Inventors: Shang-Li Lee, Zong-Bin Liao
  • Publication number: 20160170738
    Abstract: A method, a computing system, and a computer-readable storage medium which stores program instructions and data for execution of a processor are provided. The storage medium divided into a plurality of segments to store program instructions and data for execution of a processor, said computer-readable storage medium comprising: an IVT (interrupt vector table) segment for storing a plurality of interrupt vectors; an ISR (interrupt service routine) segment for storing a plurality of ISRs; an application segment for storing a plurality of application programs of the processor; an update IVT segment for storing a plurality of update interrupt vectors; an update ISR segment for storing a plurality of update ISRs; and an update utility segment for storing a plurality of update programs for updating the IVT segment, the ISR segment and the application segment.
    Type: Application
    Filed: December 11, 2014
    Publication date: June 16, 2016
    Inventors: Shang-Li LEE, Zong-Bin LIAO
  • Publication number: 20160170526
    Abstract: A method for position detection is adapted to a sensing device. The sensing device includes a plurality of sensing blocks arranged in a 2D array, with each block having a plurality of sensing points arranged in a 2D array. The method includes conducting a block-scan to determine if a touched block exists, and conducting a point-scan to obtain a touched point if the touched block exists. In order to obtain a touched point, the sensing device applying the method conducts a block-scan within the sensing area and then a point-scan within the touched block instead of point-scanning the whole sensing area. Accordingly, the sensing device could obtain the touched point faster than before.
    Type: Application
    Filed: June 23, 2015
    Publication date: June 16, 2016
    Inventors: SHANG-LI LEE, Zong-Bin Liao